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A Synthetic Roman Space Telescope High-Latitude Imaging Survey: Simulation Suite and the Impact of Wavefront Errors on Weak Gravitational Lensing
M. A. Troxel, H. Long, C. M. Hirata +7
The Nancy Grace Roman Space Telescope (Roman) mission is expected to launch in the mid-2020s. Its weak lensing program is designed to enable unprecedented systematics control in ph…
A Framework for Measuring Weak-Lensing Magnification Using the Fundamental Plane
Jenna K. C. Freudenburg, Eric M. Huff, Christopher M. Hirata
Galaxy-galaxy lensing is an essential tool for probing dark matter halos and constraining cosmological parameters. While galaxy-galaxy lensing measurements usually rely on shear, w…
The Impact of Light Polarization Effects on Weak Lensing Systematics
Chien-Hao Lin, Brent Tan, Rachel Mandelbaum +1
A fraction of the light observed from edge-on disk galaxies is polarized due to two physical effects: selective extinction by dust grains aligned with the magnetic field, and scatt…
Detecting Magnetic Fields in Exoplanets with Spectropolarimetry of the Helium Line at 1083 nm
Antonija Oklopčić, Makana Silva, Paulo Montero-Camacho +1
The magnetic fields of the solar system planets provide valuable insights into the planets' interiors and can have dramatic consequences for the evolution of their atmospheres and…
ATLAS Probe: Breakthrough Science of Galaxy Evolution, Cosmology, Milky Way, and the Solar System
Yun Wang, Mark Dickinson, Lynne Hillenbrand +45
ATLAS (Astrophysics Telescope for Large Area Spectroscopy) is a concept for a NASA probe-class space mission. It is the spectroscopic follow-up mission to WFIRST, boosting its scie…
(Not as) Big as a Barn: Upper Bounds on Dark Matter-Nucleus Cross Sections
Matthew C. Digman, Christopher V. Cappiello, John F. Beacom +2
Critical probes of dark matter come from tests of its elastic scattering with nuclei. The results are typically assumed to be model-independent, meaning that the form of the potent…